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pinskia at gcc dot gnu dot org changed:
What|Removed |Added
Target Milestone|--- |4.5.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41240
--- Comment #9 from aoliva at gcc dot gnu dot org 2009-09-03 21:32 ---
Richard Sandiford has already fixed this, and he has indeed excluded debug
insns from USEFUL_INSN_P.
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aoliva at gcc dot gnu dot org changed:
What|Removed |Added
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--- Comment #8 from aoliva at gcc dot gnu dot org 2009-09-03 21:28 ---
Just started looking into the proposed patch and, without actually looking at
the code, I wonder: should USEFUL_INSN_P really hold for debug insns? I mean,
they're useful for something, but maybe not in the sense of
--- Comment #7 from ro at techfak dot uni-bielefeld dot de 2009-09-03
13:53 ---
Subject: Re: [4.5 regression] ICE: in get_attr_got, at config/mips/mips.md:455
building stage1 N64 libgcc
> --- Comment #5 from ubizjak at gmail dot com 2009-09-03 13:08 ---
> (In reply to comment
--- Comment #6 from ro at techfak dot uni-bielefeld dot de 2009-09-03
13:09 ---
Subject: Re: [4.5 regression] ICE: in get_attr_got, at config/mips/mips.md:455
building stage1 N64 libgcc
> --- Comment #4 from jakub at gcc dot gnu dot org 2009-09-03 13:03 ---
> Just try latest
--- Comment #5 from ubizjak at gmail dot com 2009-09-03 13:08 ---
(In reply to comment #3)
> I'm sort of stuck now.
Add -save-temps to failing command on a native compiler, create a crosscompiler
on i.e. x86_64 and debug ../gcc/cc1 from crosscompiler with -O2 -g
.i in x86_64 host. You
--- Comment #4 from jakub at gcc dot gnu dot org 2009-09-03 13:03 ---
Just try latest CVS gdb, or apply the 2 fixes recently mentioned on gcc-patches
ml (DW_CFA_restore_state gdb fix and DW_LNE_set_distriminator fix), or just
recompile anything you see in the backtrace with -g -O0.
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--- Comment #3 from ro at techfak dot uni-bielefeld dot de 2009-09-03
12:45 ---
Subject: Re: [4.5 regression] ICE: in get_attr_got, at config/mips/mips.md:455
building stage1 N64 libgcc
> --- Comment #1 from ubizjak at gmail dot com 2009-09-03 11:17 ---
> get_attr_* does not
--- Comment #2 from ubizjak at gmail dot com 2009-09-03 11:24 ---
FYI, similar failure happens on alpha, fixed by:
Index: config/alpha/alpha.c
===
--- config/alpha/alpha.c(revision 151367)
+++ config/alpha/alpha.c
--- Comment #1 from ubizjak at gmail dot com 2009-09-03 11:17 ---
get_attr_* does not work with DEBUG_INSN instructions. Backtrace will tell you
where to put NONDEBUG_INSN_P instead of INSN_P.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41240
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